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\3 Biodiversity 
^Heritage 
^^Library 

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Journal of the Arnold Arboretum. 

Cambridge, Mass. :Arnold Arboretum, Harvard University [etc.],1919- 
http://www.biodiversitylibrary.org/bibliography/480 



v.7-8 (1 926-1 927): http://www.biodiversitylibrary.org/item/33586 

Page(s): Page 7 



Contributed by: Missouri Botanical Garden, Peter H. Raven Library 
Sponsored by: Missouri Botanical Garden 



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1927] MERRILL, NEW CHINESE LIGNEOUS PLANTS 7 

SAXIFRAGACEAE 
Hydrangea Linnaeus 

Hydrangea kwangtungensis, sp. nov. (§ Euhydrangea, Heteromallae). 

Frutex erectus, circiter 1 m. altus, perspicue villosus, ramis ranmlisque 
brunneis, villosis, rainulis circiter 2 mm. diametro; foliis lanceolatis ad 
oblongo-lanceolatis, menibranaceis, mollibus, 5-11 cm. longis, 1.5-3 cm. 
latis, in sicco pallide viridibus, subtus paullo pallidioribus, utrinque sub- 
aequaliter angustatis, basi acutis, apice acuminatis, rnargine distanter 
apieulato-serrulatis ad integris, in parte inferiore semper integris, utrin- 
que molliter villosis pilis dispersis subpatuiis pallidis, nervis primariis 
utrinque circiter 6, tenuibus, distinctis, eurvato-adseendentibus, arcuato- 
anastomosantibus, reticulo venularuni laxo; petiolo dense villoso, 4-8 
mm, longo; cymis densis, convexis, circiter 5 cm. diametro, dense molliter 
villosis, multifloris; floribus albidis, omnibus fertilibus, parvis, 5-meris, 
pedicellis usque ad 4.5 mm. longis; calycis tubo disperse villoso, lobis 
5, ohlongo-ovatis, acutis, circiter 1.4 nun. longis, membranaceis, utrinque 
parcissime villosis; pet alls mcmbranaeeis, liberis, deeiduis, glabris, 
oblongo-ellipticis ad anguste oblongo-obovatis, 3 mm, longis, acutis ad 
lev iter acuminatis; staminibus 10, glabris, HI anient is ad 1.5 mm. longis, 
antheris ellipsoideis, vix 1 mm. longis; stylis 3 vel 4, circiter 1 mm. 
longis, ovario infero; floribus sierilibus radiantibus nullis. 

Kwanotung 1*rovince: Lung T'au Mountain, near Iu, North River 
region, May 22, 1924, Canton Christian College no. 12017 (Wulsin 

Expedition). 

A species in some respects resembling Hydrangea villosa Rehder but 
differing in numerous details. In the material at hand there is no 
indication of any sterile radial flowers. It is well characterized by its 
soft villous indumentum. 

LEGUMINOSAE 
Caesalpinia Linnaeus 

Caesalpinia kwangtungensis, sp. nov. 

Species C, nugae Ait. affinis, differt leguminibus minoribus, valde 
inaequilateraliter ovatis, basi uno latere latissime rotundatis altero 
acutis, apice perspicue acuminatis. Frutex scandens, glaber (floribus 
ignotis), ramis ramulisque teretibus, laevibus, nitidis, atro-olivaceis; 
foliis 15-25 cm. longis, bipinnatis, rhachi infra spinis brevibus recurvatis 
instructs; pinnis circiter 5-jugis, usque ad 9 cm. longis, rhachi hand 
spinosa, foliolis 4-5-jugis, ellipticis ad obovato-ellipticis, aequilateralibus, 
chartaceis ad subcoriaceis, pallide olivaceis, nitidis, subtus pallidioribus, 
utrinque glaberrimis, dense reticuiatis, 2-3 cm. longis, 1-1.8 cm. latis, 
apice obtusis ad rotundatis, basi late acutis, nervis primariis utrinque 
circiter 10, distinctis, petiolulis 1-2 mm. longis; infructescentiis pani- 
culatis, ramis ultimis usque ad 10 cm. longis, fructibus racemose dis- 
positis; leguminibus conipressis, valde oblique ovoideis, castaneis, leviter